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  #1  
Old 02-05-2012, 08:43 PM
samanthaseffron samanthaseffron is offline
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Grand am

Grand am started over heating and has no heat
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Old 02-05-2012, 08:53 PM
samanthaseffron samanthaseffron is offline
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Re: Grand am no heat and overheating

Grand am started over heating and has no heat[/
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Old 02-05-2012, 09:12 PM
Tech II Tech II is offline
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Re: Grand am

Year and engine?

First thing to do is check coolant level.......usually an air pocket will form, due to a coolant leak, and prevent flow through the heater core, thus no heat....

The other possibility is that the heater core is plugged.....
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Old 02-05-2012, 10:49 PM
thephantom1492 thephantom1492 is offline
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Re: Grand am

Look for coolant leak. Purge air pocket. Test the coolant for proper antifreeze/water ratio. Pure water WILL boil and cause the car to overheat.

If leak, fix the leak, bleeds out air pocket.

If no leak, bleeds out air pocket. If still overheating check thermostat. If fine... chance is that it's the pump.

p.s. Be more descriptive when you post.
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